General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Latest
GB/T 25031-2010
Scope
This standard specifies the mud quality, sampling and monitoring for the use of sludge in urban sewage treatment plants for making sintered bricks. This standard applies to the disposal of sludge from urban sewage treatment plants and the utilization of sludge for making fired bricks.
GB/T 25031-2010 Referenced Document
CJ/T 221 Standard test methods for urban sludge*, 2023-12-26 Update
GB 13544 Fired perforated brick and block*, 2011-06-16 Update